If you have the role Access manager of Main administrator for the chosen party, you can download a file that contains all the users who have access to the enterprise.
This file you will find here: Profile -> Others with rights to the organization -> Download to file. This is a zipfile that contains two csv files, they can be opened in Excel. One contains all the single services and the other contains all the roles.
It is also possible to include sub-entities. For the organization types municipality and county, the files also show delegations done by organisation sections and their sub-entities.